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Questions tagged [load-testing]

The load-testing tag is for issues relating to the setting up or running of load tests.

-2
votes
1answer
29 views

JMETER: Which requests to load

The question is about load testing a web application, in order to find out server capacity (I should answer the question: For how many users using my web application, the server can handle the ...
0
votes
0answers
26 views

Nginx epoll_wait() issue under load test with Load Balancer

I'm using JMeter CLI to load tests our micro services (Nginx+PHP-FPM+Laravel). Micro services are all under an AWS Application Load Balancer which performs a health-check. For that micro service, ...
0
votes
1answer
73 views

How to use “Set weight” in HAProxy

Hi I have configured an HAProxy server in haproxy.cfg to balance the traffic flow between two servers, say server web1 10.10.10.10 weight 50 server web2 10.10.10.11 weight 50 For testing purpose we ...
0
votes
1answer
236 views

Load Testing Scenario for upload/download file to/from sftp server using winscp client on Azure

We have Azure (Microsoft cloud), we have installed winscp to upload and download files to SFTP server but performance is too much low, it takes more than enough time to upload and download 50-100 MB ...
2
votes
1answer
115 views

Servers crash with 3000 concurrent clients - how to config it right? PHP & Apache

I've 4 web servers, 2 database servers (read & write), Redis and a load balancer. I'm using PHP 7.0 & Apache2 & MySQL 5.7, however when I do load tests with 3000 users which surf at the ...
0
votes
1answer
44 views

Identifying webserver's bottleneck on nginx php t2.micro host?

I'm playing around with the AWS free tier using a t2.micro instance. I made a simple php site with elasticbeanstalk with apache and php7.1. I used the apache ab load test util to send 1000 concurrent ...
0
votes
1answer
38 views

Apache not respecting MinSpareServer and MinSpareServer in WHM/Cpanel Apache configuration [closed]

I am using Apache 2.4 and event MPM on my centos server with WHM control panel. I have set MinSpareServers to 50 and MaxSparServers to 55 in of Global Configuration of the WHM Apache ...
0
votes
1answer
495 views

High response time on Azure Web App

I have developed a RESTful api that I deployed on Azure Web App. While performing the load test using JMeter, I see that the response time is huge i.e ~18secs. This response time appalls me because ...
2
votes
1answer
198 views

haproxy session rate lower than single server qps

I setup a haproxy(1.6.3) on ubuntu 16.04 to load balancing two web servers. From my earlier tests, the web servers can handle over 20k request/s. The web servers were tested against wrk2, and I ...
-2
votes
2answers
60 views

Server performance on load [duplicate]

Im asking this question just to make sure or get some idea how much the server can take or when it going to fail, i have an Amazon EC2 instance with 8 GB RAM AND 2 VCPU,and it run some php script that ...
1
vote
2answers
189 views

How to measure bandwidth per cpu utilization [closed]

I'm trying to measure efficiency of the networking system and looking for a tool that either allows to limit max bandwidth for each test or, ideally, limit cpu utilization. At the end I need to have ...
0
votes
0answers
41 views

server block requests from local system

Recently I'm trying to load test my Nginx server using siege. But when I'm trying to load test my server it working for a small concurrent user like 10 users but when I increased the concurrent users ...
2
votes
1answer
555 views

How to circumvent siege concurrency socket select timed out

Being trying to test load capacity of a web site. I am using an aws ubuntu xenial server t2.micro as test client and have SIEGE 3.0.8 and apache benchmark Version 2.3 while ab -c 100 -n 100000 url ...
-1
votes
1answer
34 views

How can I make a server or PC use the most electrical power it is ever likely to?

I have several servers connected to a UPS. I would like to try and get those servers to draw the most power they are likely to as a load test of the UPS. What is the best way to cause a server or PC ...
1
vote
0answers
23 views

Can php+mysql scale to handle 5000 request per second? [duplicate]

I have web application build with php and mysql, and I except 5000 requests/sec in the first 6 months. and I register a dedicated server with CPU intel Xeon 4 cores 3.3GHz, 16G ram, Uplink 1000Mbps, ...
0
votes
2answers
390 views

Siege session cookie

I'm trying to use Siege to load test a Magento site. However, it does not appear that Siege makes requests with session cookie returned from previous request. For example, in my urls.txt file: http://...
1
vote
2answers
70 views

What kind of “streamlining” occurs when you use a single machine to generate load/stress?

The title of this question represents my main concern, but if you read on beyond the question section, you'll find some background about our set up.. which may or may not be relevant / useful. ...
-1
votes
1answer
97 views

Possible DOS Attack or computer “freak out”

I am a dev-ops web developer with a site running two ec2.smalls behind a load balancer on AWS. Recently we saw 3-4 requests per second take down our clients site. The site was down and would not ...
0
votes
1answer
58 views

Realistic Network Load Testing

I am trying to benchmark an ASA under various conditions but what is throwing me off is my baseline seems to be odd. I am trying to load an ASA to full capacity. See the attached topology diagram: ...
2
votes
0answers
2k views

worker_connections are not enough while have idle workers

I try to increase number of concurrent connections my server can handle. $uname -a Linux debian 3.16.0-4-amd64 #1 SMP Debian 3.16.36-1+deb8u2 (2016-10-19) x86_64 GNU/Linux $ulimit -Sn 65536 $ulimit ...
0
votes
1answer
191 views

simulate real traffic Load testing

The Client asked me to do a load test to see if autoscaling works fine, so used AB from few servers and start hitting it with requests. eventually, the whole thing scaled up to 10 t2.micrs and was ...
1
vote
0answers
15 views

Replaying HTTP requests from a log file, to load test a new server? [duplicate]

I have a HTTP server that serves images generated from a database. It has some level of caching built in, etc. It generates map tile images for javascript based web maps (a la Google Maps etc.) We're ...
-1
votes
1answer
301 views

Record and replay HTTP requests/posts between a given period of time (Apache)

Disclaimer: I know that what I'm about to ask is not even close to best practices but due to very specific requirements, I see this as probably one of very few solutions. Context: We wish to ...
4
votes
0answers
593 views

Identifying bottleneck with nginx VPS load testing

I'm trying to optimize a Digital Ocean droplet (512mb), testing using loader.io I'm testing on my homepage, which is HTTPS / PHP. I setup FastCGI page cache, which got me from 100 req/sec to 2,000 ...
0
votes
0answers
49 views

Server Specs for browser game that hugs cpu

Our team have developed a web browser game, our servers are using nginx and php-fpm to host the website. the game consist of two parts an api and the game itself. both applications reside on its own ...
0
votes
0answers
35 views

same page, different load time on different server

I am completely new to server admin. I have built a large site (for one person to code) and have to do things myself. I have a site on a shared server and another on a managed VPS. The VPS server ...
4
votes
1answer
569 views

Load testing at 350,000 requests per minute [closed]

I need a way to reproduce the sudden burst of traffic our site experienced a while ago, to have a chance to keep our stack working. Our load balancer reported at a certain point that some 350k ...
-2
votes
1answer
38 views

Do routers and networks have have a “max threads” configuration? [closed]

I've been stress testing my application now and I've identified a high average network connection time. This is odd because I haven't gone over the max bandwith at all. What can this be caused by? ...
0
votes
1answer
50 views

Server monitoring software that will show each cpu seperatley [duplicate]

We have been using New Relic to monitor our server load but it aggregates all of the CPUs into one measure. Is there a good tool that is similar but will show individual CPU load?
1
vote
1answer
643 views

Are there any products to replay IIS Logs files for load testing?

I would like to take log files from IIS and import them into a tool. Then in that tool I would like it to generate a load testing script that includes all the requests and the timing of the requests. ...
1
vote
1answer
312 views

how to configure http request pipeling using wrk?

I am trying to load test nodejs helloworld, which is running on system 1 at http://10.20.10.10:5000 and I want to pipeline http requests from system 2. wrk takes a script as a parameter. I am ...
2
votes
1answer
308 views

Trying to estimate concurrent connections on my server - is this the right approach?

My goal is to find out, roughly, how many apache2 connections my server can handle at one time. I've gone through all of my running processes, including the apache2 processes, and figure that of the ...
-1
votes
2answers
249 views

Has anyone done a load test on AWS free tier? What is the crash point? [closed]

I think the capacity of AWS EC2 t2.micro instance is too low. I was sending somewhere around 100 mails to the customers and we had some 20+ users online. And the instance crashed. I had to restart it ...
1
vote
1answer
751 views

Jmeter distributed testing over ssh tunnel

While configuring jmeter distributed testing i faced a problem of remote connection to servers which are behind NAT. Node with jmeter client has external ip, all servers are in different LANs behind ...
0
votes
1answer
490 views

haproxy-varnish can't reach 6k requests

Issue I can't reach 6k requests/seconds. I get a lot of timeouts. My response time goes as high as 26 seconds. Intro I am setting up a server that will host a 100MB static-website. The thing is ...
6
votes
2answers
2k views

nginx - connect() failed upstream under load testing

I've been doing some load testing with wrk of my nginx reverse proxy -> my web app setup and I noticed that when I get to 1000+ concurrent connections, nginx starts returning 502s and the following ...
-3
votes
1answer
396 views

How to artificially open many tcp connection on a host (testing)? [closed]

I'm trying to build a test setup which test my server's performance under high load. In order to do that I want to open thousands of tcp connection. The problem is that I only have two hosts, one is ...
0
votes
1answer
4k views

Http proxy server performance analyzing

I have implemented a http proxy client/server. Currently I intended to test performance of this proxy client/server. Can anybody tell me what kind of tests should I take to analyze it's performance? ...
0
votes
0answers
125 views

Bad ping results while testing 6000 TCP clients with 18 mbytes/s total traffic on Windows Web Server 2008

The clients are running on the machine #1. The server is installed on the machine #2. The machines have a gigabit connection through a switch on their private vlan. There are no errors in the switch ...
3
votes
1answer
65 views

Architecting for Load Testing

I'm trying to architect a set of web and database servers so that we can load test them. I'm running into some problems given the constraints I have to work with: We can't load test against ...
0
votes
2answers
889 views

Tuning high-raffic nginx and wordpress server

I have been conducting load-tests (via blitz.io) as I attempt to tune server performance on a pool of servers running php 5.5, wordpress 3.9.1, and nginx 1.6.2. My confusion arises when I overload a ...
6
votes
2answers
411 views

Odd performance fluctation with php-fpm and nginx

I'm running a load test against a web service. It's a php application running on php-fpm and nginx, with fastcgi. There is a MySQL backend being used for small reads only. Invariably, I'm seeing a ...
0
votes
2answers
1k views

Tools for replaying _all_ HTTP traffic [closed]

I intend to log all production HTTP requests to be able to do load testing and analysis on that data later on. The log replaying software I have seen so far only seem capable of replaying GETs. Are ...
0
votes
0answers
306 views

stress testing a QOS switch

I need to test a network Switch that has QOS capabilities. I need to simulate a large network (preferably up to or exceeding 100 devices), and I need to do it as a live test. My requirements are: • ...
0
votes
1answer
560 views

How do I interpret this Load Test result?

We used BlazeMeter to evaluate our site's capability to handle load. I set up a simple script that logs in (using a special page which ensures each load test user has a different account), visits ...
2
votes
1answer
1k views

High Mysql Connections

Having a challenge discovering why results are as they are. Perhaps missing something obvious. Sorry this isn't very specific. But if anyone has an pointers on areas to focus on that would be very ...
7
votes
1answer
5k views

How to get what IP Address Ranges used by Visual Studio Online Load Testing Agents?

I need to setup IP Whitelisting in an environment that I need to run some Visual Studio Online Load Tests on. I was able to find some documentation as to what IP Addresses Visual Studio Online ...
1
vote
1answer
435 views

Increase bandwidth per connection on a server

Requirement: I am load testing Rabbit MQ by generating a large number of requests/sec to the server (Server config: 8 core, 16GB). To achieve the above, I am generating load from a client machine at ...
3
votes
1answer
1k views

HAProxy max out at ~10,700 connections

I am stress testing ejabberd with Tsung. My EC2 instances setup as follows: Tsung : c3.xlarge ejabberd : c3.2xlarge HAProxy : t1.mirco When I let Tsung talk to the ejabberd instance directly, I ...
0
votes
1answer
294 views

how to benchmark an ubuntu webserver using Jmeter and create a test report.?

I have an ubuntu webserver(LAMP) running a clients website.I have already created a test plan with jmeter, what i would like to know is how would we benchmark the server with Jmter and create a test ...